A Critical Analysis of Crack Propagation Laws

Paul C. Paris; F. Erdoğan · Journal of Basic Engineering · 1963

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Paul C. Paris; F. Erdoğan

Publisher

Journal of Basic Engineering

Year

1963

Language

English

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The practice of attempting validation of crack-propagation laws (i.e., the laws of Head, Frost and Dugdale, McEvily and Illg, Liu, and Paris) with a small amount of data, such as a few single specimen test results, is questioned. It is shown that all the laws, though they are mutually contradictory, can be in agreement with the same small sample of data. It is suggested that agreement with a wide selection of data from many specimens and over many orders of magnitudes of crack-extension rates may be necessary to validate crack-propagation laws. For such a wide comparison of data a new simple empirical law is given which fits the broad trend of the data.

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APA 7

Paris, P. C. & Erdoğan, F. (1963). A Critical Analysis of Crack Propagation Laws. https://doi.org/10.1115/1.3656900

MLA

Paris, Paul C, and F. Erdoğan. "A Critical Analysis of Crack Propagation Laws." 1963. https://doi.org/10.1115/1.3656900.

Chicago

Paris, Paul C. and F. Erdoğan. 1963. "A Critical Analysis of Crack Propagation Laws.". https://doi.org/10.1115/1.3656900.

Harvard

Paris, P. C. and Erdoğan, F. 1963, A Critical Analysis of Crack Propagation Laws, Journal of Basic Engineering, available at: https://doi.org/10.1115/1.3656900 [Accessed 8 Aug. 2026].

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Title: A Critical Analysis of Crack Propagation Laws

Author / contributors: Paul C. Paris; F. Erdoğan

Publisher: Journal of Basic Engineering

Publication year: 1963

Language: English

Subjects

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Law; Fracture mechanics; Sample (material); Mechanics; Structural engineering; Engineering; Physics; Political science; Thermodynamics